diff --git a/drivers/bluetooth/btmtksdio.c b/drivers/bluetooth/btmtksdio.c
index 9644069cecbb2..034e55278c566 100644
--- a/drivers/bluetooth/btmtksdio.c
+++ b/drivers/bluetooth/btmtksdio.c
@@ -1070,6 +1070,9 @@ static int btmtksdio_setup(struct hci_dev *hdev)
 			}
 		}
 
+		/* Valid LE States quirk for MediaTek 7921 */
+		set_bit(HCI_QUIRK_VALID_LE_STATES, &hdev->quirks);
+
 		break;
 	case 0x7663:
 	case 0x7668: